JP2001208381A - Air-conditioning system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air-conditioning system for reducing noise and vibration that are problems on the system having drive parts of a heat exchange, a blower or the like indoors. SOLUTION: This air-conditioning system comprises a deep freezer 1, provided outdoor to supercool a circulating water and a circulating water pump 2 for conveying the water, a metal ice thermal storage tank 4 installed on an upper part indoor having a supercooled water outlet 3, supercooled water supply piping 5 and chilled water return piping 6 of a circulating water channel for connecting the freezer 1 to the tank 4. In this case, the supercooled water is spurt from the outlet 3 in the tank 4 to makes ice. Indoor air is cooled and dehumidified on the surface of the tank 4, and natural convection is generated in air-conditioned air, always heat exchanged to obtain the system having a low noise and a low vibration.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner for performing indoor air conditioning using ice stored by an ice making device.

[0002]

2. Description of the Related Art A conventional air conditioner has a central system in which ice produced in a machine room or outdoors is stored in the machine room or outdoors, and water or a refrigerant is used for transporting heat energy.

[0003]

Such a conventional air conditioner requires a driving unit such as a heat exchanger and a blower indoors, and has a problem of noise and vibration.

[0004] Further, since the produced ice is stored in a machine room or outdoors, the indoor unit is indistinguishable from other air conditioning systems, and it is required to obtain a visual cool feeling by the ice.

The present invention solves such a conventional problem, and stores ice produced by utilizing the characteristics of supercooled water in an ice heat storage tank installed indoors, and stores the ice heat storage tank itself. It is an object of the present invention to provide an air conditioner that eliminates a drive unit such as a heat exchanger and a blower by using the heat exchanger by convection and makes the ice heat storage tank a transparent material so that a visually cool feeling can be obtained. Aim.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, an air conditioner according to the present invention is provided with a refrigerator for supercooling circulating water, a circulating water pump for conveying circulating water, and an indoor upper part. And a circulating water flow path connecting the refrigerator and the metal ice heat storage tank.

According to the present invention, an air conditioner that performs cooling and dehumidification with low noise and low vibration is obtained.

Further, the ice heat storage tank installed at the upper part of the room is made of a transparent material.

According to the present invention, an air conditioner capable of visually providing a cool feeling can be obtained.

[0010] Further, a sprinkler is provided at the outlet of the circulating water to the transparent ice heat storage tank.

According to the present invention, it is possible to obtain an air conditioner in which the distribution of ice in the ice heat storage tank is made uniform, the ice making efficiency is improved, and the effect of visually giving a cool feeling is enhanced.

Further, a heat storage operation control box for storing ice in a transparent ice heat storage tank at night and melting the ice during daytime for air conditioning is provided.

According to the present invention, an air conditioner that contributes to power leveling and can use inexpensive nighttime power is obtained.

[0014] Further, an indoor temperature and humidity sensor and a load control box are provided.

According to the present invention, it is possible to obtain an air conditioner having an enhanced effect of visually giving a sense of coolness by freezing dew water formed around the transparent ice heat storage tank.

Further, a fan for conveying air-conditioned air is provided.

According to the present invention, fluctuations in air conditioning load can be absorbed.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention relates to a chiller for supercooling circulating water and a circulating water pump for conveying circulating water provided outdoors, a metal ice heat storage tank installed at an upper part of the indoor space, It has a circulating water flow path connecting the machine and the ice metal heat storage tank, and can cool and dehumidify indoor air with low noise and low vibration.

Further, since the ice heat storage tank installed at the upper part of the room is made of a transparent material, a cool feeling can be obtained visually.

Another means is to provide a sprinkler at the outlet of the circulating water to the transparent ice heat storage tank so as to make the distribution of ice in the transparent ice heat storage tank uniform, improve the ice making efficiency, and visually improve the ice making efficiency. The effect of appealing a cool feeling can be enhanced.

Another means is to provide a heat storage operation control box for storing ice in a transparent ice heat storage tank at night and melting the ice in the daytime for air conditioning, thereby contributing to power leveling and providing inexpensive nighttime power. Available.

Another means is to provide an indoor temperature / humidity sensor and a load control box, and to enhance the effect of visually appealing a sense of coolness by freezing dew condensation formed around the transparent ice heat storage tank. be able to.

Further, another means is provided with a fan for conveying the air-conditioned air, and can absorb the fluctuation of the air-conditioning load.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0025]

(Embodiment 1) As shown in FIG. 1, a refrigerator 1 for supercooling circulating water provided outdoors, a circulating water pump 2 for conveying circulating water, and a supercooling water outlet 3 are provided. The metal ice heat storage tank 4 installed at the upper part of the room, the refrigerator 1 and the metal ice heat storage tank 4 are connected by a supercooled water supply pipe 5 and a cold water return pipe 6 which are circulating water flow paths. A drain pipe 7 is provided below the metal ice heat storage tank 4 to discharge dew water attached to the surface of the ice heat storage tank 4.

In the above configuration, when the outdoor refrigerator 1 and the circulating water pump 2 are operated, the chilled water from the chilled water return pipe 6 is cooled to be supercooled water and sent to the supercooled water supply pipe 5. The supercooled water sent is carried indoors, blows out from the supercooling outlet 3 in the metal ice heat storage tank 4, and makes ice by colliding with the water surface. The ice in the metal ice heat storage tank 4 that has exchanged heat with the indoor air melts and becomes cold water, which is sent to a cold water return pipe. The indoor air is cooled and dehumidified on the surface of the metal ice heat storage tank 4, and the conditioned air generates natural convection upward in the indoor lower part due to a temperature change and conversely generates natural convection upward. The surface constantly exchanges heat with high-temperature air to obtain low-noise and low-vibration air conditioning.

(Embodiment 2) As shown in FIG.
Is a transparent ice heat storage tank 21 provided with, for example, glass or acrylic resin or the like in the air conditioning system shown in FIG.

In the above configuration, the situation in which the supercooled water blown out from the supercooled blow-off port 3 in the transparent ice heat storage tank 21 collides with the water surface to make ice and the ice block can be confirmed from the outside, and those who work indoors. You can appeal to the visual coolness.

(Embodiment 3) As shown in FIG.
Is provided with a sprinkler 31 at the supercooling outlet 3 of the transparent ice heat storage tank 21 of the air conditioning system shown in FIG.

In the above configuration, the supercooled water blown out from the sprinkler 31 provided in the supercooled blowout port 3 in the transparent ice heat storage tank 21 is uniformly poured on the water surface in the transparent ice heat storage tank 21 to generate The function of improving the ice making efficiency by uniformizing the distribution of ice to be obtained can be obtained, and the effect of visually appealing a cool feeling can be enhanced.

(Embodiment 4) As shown in FIG.
Is provided with a heat storage operation control box 41 in the air conditioning system shown in FIG. 3, and the same parts as those in the third embodiment are denoted by the same reference numerals and the description thereof is omitted.

In the above configuration, the system is operated at night when no load is generated indoors, and ice is stored in the transparent ice heat storage tank 21 for heat storage. Using that heat storage, 24
It is possible to obtain a function of leveling power consumption due to a change in air conditioning load over time and using inexpensive nighttime power.

(Embodiment 5) As shown in FIG.
Is provided with an indoor temperature / humidity sensor 51 and a load control box 52 in the air conditioning system shown in FIG.

In the above configuration, ice is generated in the transparent ice heat storage tank 21 and the dew water attached to the surface of the transparent ice heat storage tank 21 is also frozen, and the indoor temperature and humidity are measured by the temperature and humidity sensor 51 to predict the load. By doing so, the function of maintaining the ice layer on the surface of the transparent ice heat storage tank 21 and enhancing the effect of visually appealing a cool feeling can be obtained.

(Embodiment 6) As shown in FIG.
Is provided with a fan 61 for conveying air-conditioned air above the transparent ice heat storage tank 21. The same reference numerals are given to the same parts as in the fifth embodiment, and the description thereof will be omitted.

In the above configuration, the indoor temperature and humidity are measured by the temperature / humidity sensor 51 and the fan 6 is operated in accordance with the indoor load.
By performing ON / OFF control or inverter control on 1, a function capable of performing air conditioning corresponding to air conditioning load fluctuation is obtained.

[0037]

As is apparent from the above embodiments, according to the present invention, an ice heat storage tank is installed indoors, heat exchange is performed by natural convection, and cooling and dehumidification are performed.
It is possible to provide an air conditioner having an effect of reducing noise and vibration which has been a problem in a conventional air conditioner having a driving unit such as a heat exchanger and a blower indoors.

Further, the ice heat storage tank is made of a transparent material, or an indoor temperature / humidity sensor and a load control box are provided to generate ice in the ice heat storage tank and to freeze dew condensation on the surface of the ice heat storage tank. It is possible to provide an air conditioner capable of maintaining the ice layer on the surface of the ice storage tank by measuring the temperature and humidity with a temperature and humidity sensor and predicting the load, and visually obtaining a cool feeling.

Further, a heat storage operation control box for storing ice in the ice heat storage tank at night and melting the ice in the daytime for air conditioning is installed.
By utilizing the heat storage, it is possible to provide an air conditioner having an effect of leveling the power consumption due to the air conditioning load fluctuation for 24 hours and using inexpensive nighttime power.

Further, a fan for transporting the air-conditioned air is provided above the ice storage tank, and the temperature and humidity of the indoor are measured by a temperature and humidity sensor, and the ON / OFF control or the inverter control of the fan is performed according to the indoor load. It is possible to provide an air conditioner having an effect of performing air conditioning corresponding to a change in the air conditioning load.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a configuration of a first embodiment of the present invention.

FIG. 2 is a schematic diagram showing a configuration of the second embodiment.

FIG. 3 is a schematic diagram showing the configuration of the third embodiment.

FIG. 4 is a schematic diagram showing a configuration of the fourth embodiment.

FIG. 5 is a schematic diagram showing a configuration of the fifth embodiment.

FIG. 6 is a schematic diagram showing a configuration of the sixth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Refrigerator 2 Circulating water pump 3 Supercooled water outlet 4 Metal ice heat storage tank 5 Supercooled water supply pipe 6 Cold water return pipe 7 Drain pipe 21 Transparent ice heat storage tank 31 Sprinkler 41 Heat storage operation control box 51 Temperature / humidity sensor 52 Load control Box 61 fan

Claims (6)

[Claims] 1. A chiller for supercooling circulating water and a circulating water pump for conveying circulating water provided outdoors, a metal ice heat storage tank installed at an upper part of an indoor space, the refrigerator and the metal ice heat storage. An air conditioner consisting of a circulating water channel connecting the tanks. 2. The air conditioner according to claim 1, wherein the ice heat storage tank installed in the upper part of the room is made of a transparent material. 3. The air conditioner according to claim 1, wherein a sprinkler is provided at an outlet of the circulating water to the transparent ice heat storage tank. 4. The air conditioner according to claim 1, further comprising a heat storage operation control box for storing ice in a transparent ice heat storage tank at night and melting the ice in daytime for air conditioning. 5. The air conditioner according to claim 1, further comprising an indoor temperature / humidity sensor and a load control box. 6. The air conditioner according to claim 1, further comprising a fan for conveying air-conditioned air.